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Issue 44, 2018
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Separation of mono-dispersed CH3NH3PbBr3 perovskite quantum dots via dissolution of nanocrystals

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Abstract

Separation of mono-dispersed CH3NH3PbBr3 perovskite quantum dots (PeQDs) using the Ostwald ripening process during aging of the perovskite nanocrystals (PeNCs) in a colloidal solution is proposed for color-tunable PeQD synthesis. Monodispersed PeNCs with size ranging from 5 to 17 nm with a spherical or square shape have been successfully prepared. Photo-luminescence spectroscopy revealed the quantum confinement effect on the spherical small QDs.

Graphical abstract: Separation of mono-dispersed CH3NH3PbBr3 perovskite quantum dots via dissolution of nanocrystals

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Publication details

The article was received on 26 Jul 2018, accepted on 10 Sep 2018 and first published on 11 Sep 2018


Article type: Communication
DOI: 10.1039/C8CE01239C
Citation: CrystEngComm, 2018,20, 7053-7057
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    Separation of mono-dispersed CH3NH3PbBr3 perovskite quantum dots via dissolution of nanocrystals

    K. Umemoto, M. Takeda, Y. Tezuka, T. Chiba, M. S. White, T. Inose, T. Yoshida, S. Asakura, S. Toyouchi, H. Uji-i and A. Masuhara, CrystEngComm, 2018, 20, 7053
    DOI: 10.1039/C8CE01239C

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